| 摘要 |
A matrix plaster containing active ingredients for controlled discharge of etheric oils to the skin and/or inhaled air, comprising a flexible outer layer and an adhesive water-insoluble matrix containing active ingredients . The adhesive matrix is devoid of mineral oils and adhesive resins and comprises: a) 25 - 90 wt. % synthetic skeletal polymers based on polyisobutylene; b) 5 - 30 wt. % amorphous poly- alpha -olefin; c) 0 60 wt. % insoluble, preferably hydrophilic, filling material and d) 0.5 -25 wt. % etheric oils. |
